Optimization

1. WP Super Cache

2. WP-Optimize

3. W3 Total Cache

Forms

1. Contact Form 7

2. Fast Secure Contact Form

3. Gravity Forms (Premium –  $39)

4. AJAX Contact Forms (Premium – $10)

Comments

1. Disqus Comment System

2. GD Star Rating

3. Wizzart – Recent Comments

4. Facebook Comments

5. Thank Me Later

6. Disable Comments

7. WP Customer Reviews

Site Backup

1. WP-DBManager

2. BackUpWordPress

Posts

1. Editorial Calendar

2. Yet Another Related Posts Plugin

3. SimpleReach Slide

4. WordPress Popular Posts

5. Raw HTML

6. Auto Post Thumbnail

Security

1. Akismet

2. SI CAPTCHA Anti-Spam

3. Secure WordPress

4. BulletProof Security

Design & Theme Customization

1. Widget Context

2. WP Google Fonts

3. WP Maintenance Mode

4. Genesis Simple Sidebars

5. Shortcodes Ultimate

6. All In One Favicon

7. Font Uploader (Premium – $10)

8. WPtouch

9. Widget Logic

10. WP Content Slideshow

Media

1. Easing Slider

2. NextGEN Gallery

3. flickrRSS

4. WordPress Video Plugin

5. oQey Gallery

6. uBillboard (Premium – $20)

7. WP Lightbox 2

Commerce

1. WP e-Commerce

2. Jigoshop

3. WooCommerce

4. uPricing (Premium – $15)

5. PayPal Donations

SEO

1. All in One SEO Pack

2. WordPress SEO by Yoast

3. Google XML Sitemaps

Social

1. Add Link to Facebook

2. WP to Twitter

3. Digg Digg

4. ShareThis

5. BuddyPress

6. bbPress

7. The Google+ plugin

8. Twitter Widget Pro

Marketing

1. Newsletter

2. WP125

3. s2Member

4. MailPress

5. Subscribe2

6. MailChimp Widget

7. Simple PopUp

Miscellaneous

1. WP-PageNavi

2. Jetpack by WordPress.com

3. Exclude Pages

4. Broken Link Checker

5. ManageWP Worker

6. Redirection

7. FD Feedburner Plugin

8. Hotfix

9. Google Analytics for WordPress

10. WP-Polls

11. Ozh’ Admin Drop Down Menu

12. Pretty Link Lite

13. 5sec Google Maps (Premium – $8)

14. Advanced Access Manager

Extensive Roundup of the Best WordPress Plugins You’ll Ever Need: Year 2012 Edition.

WordPress › WordPress Plugins
Magyar nyelvi fájlok sablonokhoz és bővítményekhez | Pagony Multimédia Stúdió
Plugins Collection To use WordPress as a Truly Customized CMS
With a few added tweaks you can bend WordPress into a fully customized CMS for your site. This is a hand-picked list of recently updated plugins that will make WordPress easier to use.
Plugin | WordPress Magyarország
WordPress › JAlbum plugin for WordPress « WordPress Plugins
WordPress › WP Forum « WordPress Plugins
WordPress › Vanilla Forums « WordPress Plugins
WordPress › WP Autoresponder And Newsletter Plugin « WordPress Plugins
Lightbox 2 WordPress Plugin
Wordpress plugin used to overlay images on the current page into neat Javascript-powered overlay popups.

16-12-2008 – Version 2 is out! …
Tech Projects » WordPress HighSlide JS Plugin
10 Free Yet Useful WordPress Widgets to Power-up your Blog
10 very useful and absolutely free wordpress widgets to optimize your website/blog. plugins, powerful wordpress, addons, widgets
38 Best Free WordPress Plugins Of Year 2010
Wordpress is one of the most easiest and highly customizable CMS platform which can provide us with number of options. This CMS platform have lots of plugins,
Magyar nyelvi fájlok sablonokhoz és bővítményekhez | Pagony Multimédia Stúdió

16 Essential WordPress Plugins Every Blog Must Have